package com.ie.common;
import java.security.MessageDigest;
public class MD5Util {
    /***
     * MD5加码生成32位md5码
     */
    private static String string2MD5(String inStr) {
        MessageDigest md5 = null;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception e) {
            e.printStackTrace();
            return "";
        }
        char[] charArray = inStr.toCharArray();
        byte[] byteArray = new byte[charArray.length];
        for (int i = 0; i < charArray.length; i++)
            byteArray[i] = (byte) charArray[i];
        byte[] md5Bytes = md5.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16)
                hexValue.append("0");
            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();
    }
    /***
     * 自己规则加密
     */
    public static String MD5(String inStr){
        String xy = "abc";
        String finalStr="";
        if(inStr!=null){
            String fStr = inStr.substring(0, 1);
            String lStr = inStr.substring(1, inStr.length());
            finalStr = string2MD5( fStr+xy+lStr);
        }else{
            finalStr = string2MD5(xy);
        }
        return finalStr;
    }
}
